Stovepipe-tube



Beit known thatl, THOMAS Fair Haven, in"the;1c0unty of Rutlan'd and QUNITEDs rATEs PATENT OFFICE.

THOMAS MOORE, or, FAIR HAVEN, VERMONT.

s'rovEPIPE-TUBE.

Specifiea ti'onof Letters Patent Nd. 12,639, dated April 3, 1855.

Th all whom it may camera MOORE, of

State of ivermont haye invented a new and fluseful Improvement [of Stovepipe-Tubes, called a double adjusting stovepipe tube, of which the followingis a full andexact 1 description.

It consists of ach, (markedwi the inner one of sheet a iron andthe outerone of sheet zinc. One

are sets of cylindrical tubes end}ofeachsetof said tubes are fastened to metallic heads (marked 0) which heads have an outer convexsurface so thatWhen applied to a partitionthe edges of the heads Willonly come ineontact Withthe same.

3 Said tubes areflso adjustedthat they canbe connected by insertingfthe end of one into that of theother and When thus connected Willadmitof "a free circulation of air in the spaces between them (marked E) by means of opposite appertures in either head. In connecting said sets of tubes as above described the length can be graduated as desired from the length of one setof tubes to nearly that of both.

What I claim and desire to secure by Letters Patentis,

The double and adjustable concentric tubes, or stove pipe thimbles constructed in the manner described for the purposes set forth. {In Witness whereof I have hereunto subscribed myname the 19th day of J anuary THOMAS MOORE.

- Witnesses:

J. CAPEN,

H. L. LEONARD. 

